Skip to content
Country Dialing CodesA clearer way to call the world
AboutContact
Español — prefijos-telefonicos.comFrançais — indicatifs-telephoniques.net
US area code · California

909 area code

Where the 909 area code is, its overlay and how to dial a +1 909 number from anywhere.

CoversChino, CaliforniaTime zonePacific (PT)TypeOverlay
Quick answer

The 909 area code is in Chino, California, United States (Pacific (PT)). To call from abroad: +1 909 555-0123. It is an overlay, so all 10 digits are dialled.

StateCalifornia
Main areaChino
Time zonePacific (PT)
TypeOverlay
10-digit dialingRequired
In service since18-Feb-1992

The 909 area code is a geographic North American Numbering Plan (NANP) code covering Chino, California. It has been in service since 18-Feb-1992 and sits in the Pacific (PT) time zone.

Overlay 909 shares its region

Several area codes cover the same geographic area, so two neighbours can have different codes. Because of the overlay, you must dial all 10 digits (area code + number) even for local calls.

909714840

How to dial a 909 number

From abroad+1 909 555-0123
Within the US / Canada1 909 555-0123
Locally (same area)909 555-0123

Cities in the 909 area code

A 909 number is usually in one of these places in California — 2 counties.

Chino San BernardinoChino Hills San BernardinoClaremont Los AngelesColton San BernardinoDiamond Bar Los AngelesFontana San BernardinoHighland San BernardinoLa Verne Los AngelesMontclair San BernardinoOntario San BernardinoPomona Los AngelesRancho Cucamonga San BernardinoRedlands San BernardinoRialto San BernardinoSan Bernardino San BernardinoSan Dimas Los AngelesUpland San BernardinoYucaipa San Bernardino

Other California area codes

209213279310323341350357369408415424442510530559

Frequently asked questions

Where is the 909 area code?

The 909 area code is in Chino, California, United States (Pacific (PT)).

Is 909 an overlay area code?

Yes. 909 overlays the same region as 714, 840, so callers dial all 10 digits.

Do I have to dial 10 digits for 909?

Yes — dial the area code plus the seven-digit number.

How do I call a 909 number from another country?

Dial your exit code (or +), then 1, then 909, then the number: +1 909 555-0123.

Source: NANPA numbering plan. An area code covers a region, not a precise address — a 909 number does not pinpoint a street or ZIP code.

Number holders in area code 909

Each prefix (the three digits after the area code) is assigned by NANPA to one telephone company. 800 prefixes are in use in 909, shared by 42 companies. The largest holders:

CompanyPrefixesShare
Frontier California Inc.15620%
T-Mobile USA, Inc.8711%
New Cingular Wireless PCS, LLC759%
Cellco Partnership Dba Verizon Wireless729%
Metropcs Networks, LLC527%
Pacific Bell476%

Source: NANPA central office code assignments. A number keeps its original prefix when it is ported to another carrier.

Complaints about 909 numbers

Reports to the FTC, last 30 days
895
Recorded messages or robocalls
46%
Rank among area codes
#57 of 670
Most reported subjects
Other (458)
Reducing your debt (credit cards, mortgage, student loans) (103)
Calls pretending to be government, businesses, or family and friends (100)

Period Aug 26 – Sep 24, 2026. These are the numbers shown on the caller ID of the reported calls; many are spoofed and do not belong to the real caller.

Source: US Federal Trade Commission, Do Not Call reported calls data (daily files).

All US area codes United States +1 Map of area code 909 — cities & rate centres

Explore by continent